$OpenBSD: patch-xl2tpd-control_c,v 1.1 2013/01/18 22:38:06 sthen Exp $
--- xl2tpd-control.c.orig	Fri Jan 18 22:30:05 2013
+++ xl2tpd-control.c	Fri Jan 18 22:31:46 2013
@@ -96,7 +96,7 @@ int main (int argc, char *argv[])
     struct command_t* command = NULL;    
     int i; /* argv iterator */
 
-    if (!strncmp (argv[1], "--help", 6))
+    if (argv[1] && !strncmp (argv[1], "--help", 6))
     {
         help();
         return 0;
